Problem Solving

GMAT Question of the Day (Oct 24): Counting and Critical Reasoning

By - Oct 24, 02:00 AM   Comments [0]

Math (PS) John has 12 clients and he wants to use color coding to identify each client. If either a single color or a pair of two different colors can represent a client code, what is the minimum number of colors needed for the coding? Assume...

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GMAT Question of the Day (Oct 22): Arithmetic and Sentence Correction

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Math (PS) A perfect number is defined as one for which the sum of all the unique factors less the number itself equals to the number. For instance, 6 is a perfect number, because the factors of 6 (apart from 6 itself) are 1, 2 and...

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GMAT Question of the Day (Oct 17): Rate Problem and Critical Reasoning

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Math (PS) A soccer coach riding his bike at 24 km/h reaches his office 5 minutes late. Had he traveled 25% faster, he would have reached the office 4 minutes earlier than the scheduled time. How far is his office from his house? (A) 18 km (B) 24...

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GMAT Question of the Day (Oct 16): Arithmetic and Critical Reasoning

By - Oct 16, 02:00 AM   Comments [0]

Math (PS) What is the last digit of the following number ? (A) 6 (B) 5 (C) 2 (D) 1 (E) 0 ____________________________________________________________________________________________________________________________________ Question Discussion & Explanation Correct Answer - E - (click and drag your mouse to see the answer) GMAT Daily Deals Veritas Prep: 99th percentile instructors, 90+ cities worldwide and $865 total...

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GMAT Question of the Day (Oct 15): Overlapping Sets and Sentence Correction

By - Oct 15, 02:00 AM   Comments [0]

Math (PS) 6 students in a group study different languages as specified: * Russian: 4 * Ukrainian: 3 * Hebrew: 2 Each student studies at least 1 language. If it is also known that exactly 3 students study exactly 2 languages, how many students are studying all three languages? (A) 0 (B)...

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GMAT Question of the Day (Oct 12): Arithmetic and Sentence Correction

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Math (PS) How many five-digit numbers can be formed using the digits 0, 1, 2, 3, 4 and 5 which are divisible by 3, without repeating the digits? (A) 15 (B) 96 (C) 120 (D) 181 (E) 216 ———————————————————————————————————————————— Question Discussion & Explanation Correct Answer - E - (click and drag your mouse to...

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GMAT Question of the Day (Oct 11): Word Problem and Sentence Correction

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Math (PS) One fisherman was telling his friends that he caught a fish that had a 60 foot long head. It also had a tail that was as long as the fish’s head and a half of its body. Finally, the body was half the size...

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GMAT Question of the Day (Oct 10): Statistics and Critical Reasoning

By - Oct 10, 02:00 AM   Comments [0]

Math (PS) Which set(s) has the greatest standard deviation? 1. Set 1 consisting of 10 digits 2. Set 2 consisting of 10 first positive consecutive even numbers 3. Set 3 consisting of 10 first primes (A) set 1 (B) set 2 (C) set 3 (D) set 1 and 2 (E) set 1, 2, and...

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GMAT Question of the Day (Oct 8): Word Problem and Critical Reasoning

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Math (PS) A car dealership sold two cars: the first car at a 10% profit and the second car at a 10% loss, which gave them an overall profit margin of 5% from these two sales. If the dealership’s total profit was $1000, what was the...

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GMAT Question of the Day (Oct 4): Arithmetic and Sentence Correction

By - Oct 4, 02:00 AM   Comments [0]

Math (PS) A computer generated a sequence of numbers using the following formula: is the common difference between any two consecutive terms of the sequence If the sum of the second and the fifth terms of the sequence is 8 and the sum of the...

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